Samsung SyncMaster 920NW User Manual page 33

I cannot see the On
Screen Display.
The screen shows
strange colors or just
black and white.
The screen suddenly
has become
unbalanced.
The screen is out of
focus or OSD cannot
be adjusted.
LED is blinking but no
images on the screen.
There are only 16
colors shown on the
screen.
The screen colors
have changed after
changing the video
card.
There is a message
that reads
"Unrecognized
monitor, Plug & Play
(VESA DDC) monitor
found".
Check the following items if there is trouble with the monitor.
1. Check if the power cord and the video cables are properly connected to the computer.
2. Check if the computer beeps more than 3 times when booting.
(If it does, request an after-service for the main board of the computer.)
3. If you installed a new video card or if you assembled the PC, check if the installed the adapter
(video) driver and the monitor driver.
4. Check if the scanning ratio of the video screen is set at 56 Hz ~ 75 Hz.
(Do not exceed 75 Hz when using the maximum resolution.)
5. If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode,
remove the Display Adapter at the " Control Panel → System → Device Administrator " and
then reboot the computer to reinstall the adapter (video) driver.
If problems repeatedly occur,
Have you locked the On Screen
Display (OSD) Menu to prevent
changes?
Is the screen displaying only one
color as if looking at the screen
through a cellophane paper?
Have the screen colors become
strange after running a program or
due to a crash between
applications?
Has the video card been set
properly?
Have you changed the video card or
the driver?
Have you adjusted the resolution or
frequency to the monitor?
The screen can be unbalanced due to the cycle of the video card signals.
Readjust Position by referring to the OSD.
Have you adjusted the resolution or
frequency on the monitor?
Is the frequency properly adjusted
when checking the Display Timing
on the menu?
Have the Windows colors been set
properly?
Has the video card been set
properly?
Have you installed the monitor
driver?
See the video card manual to see if
the Plug & Play (VESA DDC)
function can be supported.
contact an authorized service
again to activate the monitor and
restore the image on the screen.
Unlock the OSD by pressing the
[MENU / ] button for at least 5
seconds.
Check the signal cable
connection.Make sure the video
card is fully inserted in it's slot.
Reboot the computer.
Set the video card by referring to the
video card manual.
Adjust screen image position and
size using the OSD.
Adjust the resolution and frequency
at the video card.
(Refer to the Preset Timing
Adjust the resolution and frequency
of the video card.
(Refer to the Preset Timing
Adjust the frequency properly by
referring to the video card manual
and the Preset Timing Modes.
(The maximum frequency per
resolution may differ from product to
product.)
Windows ME/2000/XP:
Set the colors properly at the
Control Panel → Display →
Settings .
Set the video card by referring to the
video card manual.
Install the monitor driver according
to the Driver Installation
Install the monitor driver according
to the Driver Installation
center.
Modes).
Modes).
Instructions.
Instructions.